[INFO] cloning repository https://github.com/ferran1/ex-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ferran1/ex-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferran1%2Fex-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferran1%2Fex-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66e7ef7ee59767150348ab69a2da5eff0feccda9
[INFO] checking ferran1/ex-rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferran1%2Fex-rust" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ferran1/ex-rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ferran1/ex-rust
[INFO] finished tweaking git repo https://github.com/ferran1/ex-rust
[INFO] tweaked toml for git repo https://github.com/ferran1/ex-rust written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/ferran1/ex-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22892f48e676df7f4b700664ae994bd6754e8c48d49f13c45744b588cb8b5f89
[INFO] running `Command { std: "docker" "start" "-a" "22892f48e676df7f4b700664ae994bd6754e8c48d49f13c45744b588cb8b5f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22892f48e676df7f4b700664ae994bd6754e8c48d49f13c45744b588cb8b5f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22892f48e676df7f4b700664ae994bd6754e8c48d49f13c45744b588cb8b5f89", kill_on_drop: false }`
[INFO] [stdout] 22892f48e676df7f4b700664ae994bd6754e8c48d49f13c45744b588cb8b5f89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b04f3f2ef0f9bb603381b0b9087adce843e6f9c94a00c9ebe1808d607600901
[INFO] running `Command { std: "docker" "start" "-a" "4b04f3f2ef0f9bb603381b0b9087adce843e6f9c94a00c9ebe1808d607600901", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ex-rust v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/bin/functions_methods.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/if_statements.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/vectors.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/match.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/shadowing.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/structs.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/enums.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/slices.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/references_borrowing.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/primitives_constants.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/loops.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/bin/vectors.rs (1 fix)
[INFO] [stderr]        Fixed src/bin/shadowing.rs (1 fix)
[INFO] [stderr]        Fixed src/bin/match.rs (2 fixes)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/bin/match.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     if let _number = 1 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/enums.rs (2 fixes)
[INFO] [stdout] warning: associated function is never used: `call`
[INFO] [stdout]   --> src/bin/enums.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn call(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/references_borrowing.rs (4 fixes)
[INFO] [stdout] warning: associated function is never used: `call`
[INFO] [stdout]   --> src/bin/enums.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn call(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/primitives_constants.rs (16 fixes)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/bin/match.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     if let _number = 1 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.76s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ex-rust v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/bin/match.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     if let _number = 1 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `call`
[INFO] [stdout]   --> src/bin/enums.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn call(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `call`
[INFO] [stdout]   --> src/bin/enums.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn call(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/bin/match.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     if let _number = 1 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "4b04f3f2ef0f9bb603381b0b9087adce843e6f9c94a00c9ebe1808d607600901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b04f3f2ef0f9bb603381b0b9087adce843e6f9c94a00c9ebe1808d607600901", kill_on_drop: false }`
[INFO] [stdout] 4b04f3f2ef0f9bb603381b0b9087adce843e6f9c94a00c9ebe1808d607600901